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merged 2 commits into from
Jul 26, 2025
Merged

Mips: Add frexp intrinsic test #148677

merged 2 commits into from
Jul 26, 2025

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arsenm
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@arsenm arsenm commented Jul 14, 2025

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@arsenm arsenm mentioned this pull request Jul 14, 2025
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arsenm commented Jul 14, 2025 •
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@arsenm arsenm marked this pull request as ready for review July 14, 2025 17:08
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llvmbot commented Jul 14, 2025

@llvm/pr-subscribers-backend-mips

Author: Matt Arsenault (arsenm)

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Patch is 27.72 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/148677.diff

1 Files Affected:

  • (added) llvm/test/CodeGen/Mips/llvm.frexp.ll (+676)
diff --git a/llvm/test/CodeGen/Mips/llvm.frexp.ll b/llvm/test/CodeGen/Mips/llvm.frexp.ll
new file mode 100644
index 0000000000000..beb0b25425f7d
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/llvm.frexp.ll
@@ -0,0 +1,676 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=mipsel < %s | FileCheck -check-prefix=MIPSEL %s
+; RUN: llc -mtriple=mips < %s | FileCheck %s -check-prefixes=SOFT-FLOAT-32
+; RUN: llc -mtriple=mips64 < %s | FileCheck %s -check-prefixes=SOFT-FLOAT-64
+
+define { half, i32 } @test_frexp_f16_i32(half %a) nounwind {
+; CHECK-LABEL: test_frexp_f16_i32:
+; CHECK: bl __extendhfsf2
+; CHECK: bl frexpf
+; CHECK: ldw r{{[0-9]+}}, sp[1]
+; CHECK: bl __truncsfhf2
+; MIPSEL-LABEL: test_frexp_f16_i32:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -24
+; MIPSEL-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    jal __extendhfsf2
+; MIPSEL-NEXT:    nop
+; MIPSEL-NEXT:    addiu $5, $sp, 16
+; MIPSEL-NEXT:    jal frexpf
+; MIPSEL-NEXT:    mov.s $f12, $f0
+; MIPSEL-NEXT:    jal __truncsfhf2
+; MIPSEL-NEXT:    mov.s $f12, $f0
+; MIPSEL-NEXT:    lw $3, 16($sp)
+; MIPSEL-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_f16_i32:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, -24
+; SOFT-FLOAT-32-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    jal __extendhfsf2
+; SOFT-FLOAT-32-NEXT:    nop
+; SOFT-FLOAT-32-NEXT:    addiu $5, $sp, 16
+; SOFT-FLOAT-32-NEXT:    jal frexpf
+; SOFT-FLOAT-32-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-32-NEXT:    jal __truncsfhf2
+; SOFT-FLOAT-32-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-32-NEXT:    lw $3, 16($sp)
+; SOFT-FLOAT-32-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    jr $ra
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-64-LABEL: test_frexp_f16_i32:
+; SOFT-FLOAT-64:       # %bb.0:
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, -16
+; SOFT-FLOAT-64-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    jal __extendhfsf2
+; SOFT-FLOAT-64-NEXT:    sll $4, $4, 0
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $sp, 4
+; SOFT-FLOAT-64-NEXT:    jal frexpf
+; SOFT-FLOAT-64-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-64-NEXT:    jal __truncsfhf2
+; SOFT-FLOAT-64-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-64-NEXT:    lw $3, 4($sp)
+; SOFT-FLOAT-64-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    jr $ra
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, 16
+%result = call { half, i32 } @llvm.frexp.f16.i32(half %a)
+  ret { half, i32 } %result
+}
+
+define { <2 x half>, <2 x i32> } @test_frexp_v2f16_v2i32(<2 x half> %a) nounwind {
+; CHECK-LABEL: test_frexp_v2f16_v2i32:
+; CHECK: bl frexpf
+; CHECK: bl frexpf
+; MIPSEL-LABEL: test_frexp_v2f16_v2i32:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -32
+; MIPSEL-NEXT:    sw $ra, 28($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $18, 24($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $17, 20($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $16, 16($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    move $16, $5
+; MIPSEL-NEXT:    move $17, $4
+; MIPSEL-NEXT:    jal __extendhfsf2
+; MIPSEL-NEXT:    srl $4, $5, 16
+; MIPSEL-NEXT:    addiu $5, $17, 12
+; MIPSEL-NEXT:    jal frexpf
+; MIPSEL-NEXT:    mov.s $f12, $f0
+; MIPSEL-NEXT:    jal __truncsfhf2
+; MIPSEL-NEXT:    mov.s $f12, $f0
+; MIPSEL-NEXT:    move $18, $2
+; MIPSEL-NEXT:    jal __extendhfsf2
+; MIPSEL-NEXT:    move $4, $16
+; MIPSEL-NEXT:    addiu $5, $17, 8
+; MIPSEL-NEXT:    jal frexpf
+; MIPSEL-NEXT:    mov.s $f12, $f0
+; MIPSEL-NEXT:    sh $18, 2($17)
+; MIPSEL-NEXT:    jal __truncsfhf2
+; MIPSEL-NEXT:    mov.s $f12, $f0
+; MIPSEL-NEXT:    sh $2, 0($17)
+; MIPSEL-NEXT:    lw $16, 16($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $17, 20($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $18, 24($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $ra, 28($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 32
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_v2f16_v2i32:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, -32
+; SOFT-FLOAT-32-NEXT:    sw $ra, 28($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $18, 24($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $17, 20($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $16, 16($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    move $16, $5
+; SOFT-FLOAT-32-NEXT:    move $17, $4
+; SOFT-FLOAT-32-NEXT:    jal __extendhfsf2
+; SOFT-FLOAT-32-NEXT:    move $4, $5
+; SOFT-FLOAT-32-NEXT:    addiu $5, $17, 12
+; SOFT-FLOAT-32-NEXT:    jal frexpf
+; SOFT-FLOAT-32-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-32-NEXT:    jal __truncsfhf2
+; SOFT-FLOAT-32-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-32-NEXT:    move $18, $2
+; SOFT-FLOAT-32-NEXT:    jal __extendhfsf2
+; SOFT-FLOAT-32-NEXT:    srl $4, $16, 16
+; SOFT-FLOAT-32-NEXT:    addiu $5, $17, 8
+; SOFT-FLOAT-32-NEXT:    jal frexpf
+; SOFT-FLOAT-32-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-32-NEXT:    sh $18, 2($17)
+; SOFT-FLOAT-32-NEXT:    jal __truncsfhf2
+; SOFT-FLOAT-32-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-32-NEXT:    sh $2, 0($17)
+; SOFT-FLOAT-32-NEXT:    lw $16, 16($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $17, 20($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $18, 24($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $ra, 28($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    jr $ra
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, 32
+;
+; SOFT-FLOAT-64-LABEL: test_frexp_v2f16_v2i32:
+; SOFT-FLOAT-64:       # %bb.0:
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, -32
+; SOFT-FLOAT-64-NEXT:    sd $ra, 24($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    sd $18, 16($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    sd $17, 8($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    sd $16, 0($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    move $16, $5
+; SOFT-FLOAT-64-NEXT:    move $17, $4
+; SOFT-FLOAT-64-NEXT:    jal __extendhfsf2
+; SOFT-FLOAT-64-NEXT:    sll $4, $5, 0
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $17, 12
+; SOFT-FLOAT-64-NEXT:    jal frexpf
+; SOFT-FLOAT-64-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-64-NEXT:    jal __truncsfhf2
+; SOFT-FLOAT-64-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-64-NEXT:    move $18, $2
+; SOFT-FLOAT-64-NEXT:    sll $1, $16, 0
+; SOFT-FLOAT-64-NEXT:    jal __extendhfsf2
+; SOFT-FLOAT-64-NEXT:    srl $4, $1, 16
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $17, 8
+; SOFT-FLOAT-64-NEXT:    jal frexpf
+; SOFT-FLOAT-64-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-64-NEXT:    sh $18, 2($17)
+; SOFT-FLOAT-64-NEXT:    jal __truncsfhf2
+; SOFT-FLOAT-64-NEXT:    mov.s $f12, $f0
+; SOFT-FLOAT-64-NEXT:    sh $2, 0($17)
+; SOFT-FLOAT-64-NEXT:    ld $16, 0($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    ld $17, 8($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    ld $18, 16($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    ld $ra, 24($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    jr $ra
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, 32
+  %result = call { <2 x half>, <2 x i32> } @llvm.frexp.v2f16.v2i32(<2 x half> %a)
+  ret { <2 x half>, <2 x i32> } %result
+}
+
+define { float, i32 } @test_frexp_f32_i32(float %a) nounwind {
+; CHECK-LABEL: test_frexp_f32_i32:
+; CHECK: bl frexpf
+; MIPSEL-LABEL: test_frexp_f32_i32:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -24
+; MIPSEL-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    jal frexpf
+; MIPSEL-NEXT:    addiu $5, $sp, 16
+; MIPSEL-NEXT:    lw $2, 16($sp)
+; MIPSEL-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_f32_i32:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, -24
+; SOFT-FLOAT-32-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    jal frexpf
+; SOFT-FLOAT-32-NEXT:    addiu $5, $sp, 16
+; SOFT-FLOAT-32-NEXT:    lw $2, 16($sp)
+; SOFT-FLOAT-32-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    jr $ra
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-64-LABEL: test_frexp_f32_i32:
+; SOFT-FLOAT-64:       # %bb.0:
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, -16
+; SOFT-FLOAT-64-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    jal frexpf
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $sp, 4
+; SOFT-FLOAT-64-NEXT:    lw $2, 4($sp)
+; SOFT-FLOAT-64-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    jr $ra
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, 16
+  %result = call { float, i32 } @llvm.frexp.f32.i32(float %a)
+  ret { float, i32 } %result
+}
+
+define { float, i32 } @test_frexp_f32_i32_tailcall(float %a) nounwind {
+; CHECK-LABEL: test_frexp_f32_i32_tailcall:
+; CHECK: bl frexpf
+; MIPSEL-LABEL: test_frexp_f32_i32_tailcall:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -24
+; MIPSEL-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    jal frexpf
+; MIPSEL-NEXT:    addiu $5, $sp, 16
+; MIPSEL-NEXT:    lw $2, 16($sp)
+; MIPSEL-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_f32_i32_tailcall:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, -24
+; SOFT-FLOAT-32-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    jal frexpf
+; SOFT-FLOAT-32-NEXT:    addiu $5, $sp, 16
+; SOFT-FLOAT-32-NEXT:    lw $2, 16($sp)
+; SOFT-FLOAT-32-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    jr $ra
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-64-LABEL: test_frexp_f32_i32_tailcall:
+; SOFT-FLOAT-64:       # %bb.0:
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, -16
+; SOFT-FLOAT-64-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    jal frexpf
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $sp, 4
+; SOFT-FLOAT-64-NEXT:    lw $2, 4($sp)
+; SOFT-FLOAT-64-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    jr $ra
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, 16
+  %result = tail call { float, i32 } @llvm.frexp.f32.i32(float %a)
+  ret { float, i32 } %result
+}
+
+define { <2 x float>, <2 x i32> } @test_frexp_v2f32_v2i32(<2 x float> %a) nounwind {
+; CHECK-LABEL: test_frexp_v2f32_v2i32:
+; CHECK: bl frexpf
+; CHECK: bl frexpf
+; MIPSEL-LABEL: test_frexp_v2f32_v2i32:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -32
+; MIPSEL-NEXT:    sw $ra, 28($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $17, 24($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $16, 20($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    move $16, $6
+; MIPSEL-NEXT:    move $17, $4
+; MIPSEL-NEXT:    mtc1 $7, $f12
+; MIPSEL-NEXT:    jal frexpf
+; MIPSEL-NEXT:    addiu $5, $4, 12
+; MIPSEL-NEXT:    swc1 $f0, 4($17)
+; MIPSEL-NEXT:    mtc1 $16, $f12
+; MIPSEL-NEXT:    jal frexpf
+; MIPSEL-NEXT:    addiu $5, $17, 8
+; MIPSEL-NEXT:    swc1 $f0, 0($17)
+; MIPSEL-NEXT:    lw $16, 20($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $17, 24($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $ra, 28($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 32
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_v2f32_v2i32:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, -32
+; SOFT-FLOAT-32-NEXT:    sw $ra, 28($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $17, 24($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $16, 20($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    move $16, $6
+; SOFT-FLOAT-32-NEXT:    move $17, $4
+; SOFT-FLOAT-32-NEXT:    mtc1 $7, $f12
+; SOFT-FLOAT-32-NEXT:    jal frexpf
+; SOFT-FLOAT-32-NEXT:    addiu $5, $4, 12
+; SOFT-FLOAT-32-NEXT:    swc1 $f0, 4($17)
+; SOFT-FLOAT-32-NEXT:    mtc1 $16, $f12
+; SOFT-FLOAT-32-NEXT:    jal frexpf
+; SOFT-FLOAT-32-NEXT:    addiu $5, $17, 8
+; SOFT-FLOAT-32-NEXT:    swc1 $f0, 0($17)
+; SOFT-FLOAT-32-NEXT:    lw $16, 20($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $17, 24($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $ra, 28($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    jr $ra
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, 32
+;
+; SOFT-FLOAT-64-LABEL: test_frexp_v2f32_v2i32:
+; SOFT-FLOAT-64:       # %bb.0:
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, -32
+; SOFT-FLOAT-64-NEXT:    sd $ra, 24($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    sd $16, 16($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    move $16, $4
+; SOFT-FLOAT-64-NEXT:    sll $1, $16, 0
+; SOFT-FLOAT-64-NEXT:    mtc1 $1, $f12
+; SOFT-FLOAT-64-NEXT:    jal frexpf
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $sp, 8
+; SOFT-FLOAT-64-NEXT:    mfc1 $1, $f0
+; SOFT-FLOAT-64-NEXT:    dsll $1, $1, 32
+; SOFT-FLOAT-64-NEXT:    dsrl $2, $16, 32
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $sp, 12
+; SOFT-FLOAT-64-NEXT:    dsrl $16, $1, 32
+; SOFT-FLOAT-64-NEXT:    sll $1, $2, 0
+; SOFT-FLOAT-64-NEXT:    jal frexpf
+; SOFT-FLOAT-64-NEXT:    mtc1 $1, $f12
+; SOFT-FLOAT-64-NEXT:    mfc1 $1, $f0
+; SOFT-FLOAT-64-NEXT:    dsll $1, $1, 32
+; SOFT-FLOAT-64-NEXT:    or $2, $16, $1
+; SOFT-FLOAT-64-NEXT:    lw $1, 12($sp)
+; SOFT-FLOAT-64-NEXT:    dsll $1, $1, 32
+; SOFT-FLOAT-64-NEXT:    lw $3, 8($sp)
+; SOFT-FLOAT-64-NEXT:    dsll $3, $3, 32
+; SOFT-FLOAT-64-NEXT:    dsrl $3, $3, 32
+; SOFT-FLOAT-64-NEXT:    or $3, $3, $1
+; SOFT-FLOAT-64-NEXT:    ld $16, 16($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    ld $ra, 24($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    jr $ra
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, 32
+  %result = call { <2 x float>, <2 x i32> } @llvm.frexp.v2f32.v2i32(<2 x float> %a)
+  ret { <2 x float>, <2 x i32> } %result
+}
+
+define { double, i32 } @test_frexp_f64_i32(double %a) nounwind {
+; CHECK-LABEL: test_frexp_f64_i32:
+; CHECK: bl frexp
+; MIPSEL-LABEL: test_frexp_f64_i32:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -24
+; MIPSEL-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    jal frexp
+; MIPSEL-NEXT:    addiu $6, $sp, 16
+; MIPSEL-NEXT:    lw $2, 16($sp)
+; MIPSEL-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_f64_i32:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, -24
+; SOFT-FLOAT-32-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    jal frexp
+; SOFT-FLOAT-32-NEXT:    addiu $6, $sp, 16
+; SOFT-FLOAT-32-NEXT:    lw $2, 16($sp)
+; SOFT-FLOAT-32-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    jr $ra
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, 24
+;
+; SOFT-FLOAT-64-LABEL: test_frexp_f64_i32:
+; SOFT-FLOAT-64:       # %bb.0:
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, -16
+; SOFT-FLOAT-64-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    jal frexp
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $sp, 4
+; SOFT-FLOAT-64-NEXT:    lw $2, 4($sp)
+; SOFT-FLOAT-64-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    jr $ra
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, 16
+  %result = call { double, i32 } @llvm.frexp.f64.i32(double %a)
+  ret { double, i32 } %result
+}
+
+define { <2 x double>, <2 x i32> } @test_frexp_v2f64_v2i32(<2 x double> %a) nounwind {
+; CHECK-LABEL: test_frexp_v2f64_v2i32:
+; CHECK: bl frexp
+; CHECK: bl frexp
+; MIPSEL-LABEL: test_frexp_v2f64_v2i32:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -48
+; MIPSEL-NEXT:    sw $ra, 44($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $18, 40($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $17, 36($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $16, 32($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    move $16, $7
+; MIPSEL-NEXT:    move $17, $6
+; MIPSEL-NEXT:    move $18, $4
+; MIPSEL-NEXT:    lw $1, 64($sp)
+; MIPSEL-NEXT:    lw $2, 68($sp)
+; MIPSEL-NEXT:    sw $2, 28($sp)
+; MIPSEL-NEXT:    sw $1, 24($sp)
+; MIPSEL-NEXT:    addiu $6, $4, 20
+; MIPSEL-NEXT:    jal frexp
+; MIPSEL-NEXT:    ldc1 $f12, 24($sp)
+; MIPSEL-NEXT:    sdc1 $f0, 8($18)
+; MIPSEL-NEXT:    sw $16, 20($sp)
+; MIPSEL-NEXT:    sw $17, 16($sp)
+; MIPSEL-NEXT:    addiu $6, $18, 16
+; MIPSEL-NEXT:    jal frexp
+; MIPSEL-NEXT:    ldc1 $f12, 16($sp)
+; MIPSEL-NEXT:    sdc1 $f0, 0($18)
+; MIPSEL-NEXT:    lw $16, 32($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $17, 36($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $18, 40($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $ra, 44($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 48
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_v2f64_v2i32:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, -48
+; SOFT-FLOAT-32-NEXT:    sw $ra, 44($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $18, 40($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $17, 36($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    sw $16, 32($sp) # 4-byte Folded Spill
+; SOFT-FLOAT-32-NEXT:    move $16, $7
+; SOFT-FLOAT-32-NEXT:    move $17, $6
+; SOFT-FLOAT-32-NEXT:    move $18, $4
+; SOFT-FLOAT-32-NEXT:    lw $1, 64($sp)
+; SOFT-FLOAT-32-NEXT:    lw $2, 68($sp)
+; SOFT-FLOAT-32-NEXT:    sw $2, 28($sp)
+; SOFT-FLOAT-32-NEXT:    sw $1, 24($sp)
+; SOFT-FLOAT-32-NEXT:    addiu $6, $4, 20
+; SOFT-FLOAT-32-NEXT:    jal frexp
+; SOFT-FLOAT-32-NEXT:    ldc1 $f12, 24($sp)
+; SOFT-FLOAT-32-NEXT:    sdc1 $f0, 8($18)
+; SOFT-FLOAT-32-NEXT:    sw $16, 20($sp)
+; SOFT-FLOAT-32-NEXT:    sw $17, 16($sp)
+; SOFT-FLOAT-32-NEXT:    addiu $6, $18, 16
+; SOFT-FLOAT-32-NEXT:    jal frexp
+; SOFT-FLOAT-32-NEXT:    ldc1 $f12, 16($sp)
+; SOFT-FLOAT-32-NEXT:    sdc1 $f0, 0($18)
+; SOFT-FLOAT-32-NEXT:    lw $16, 32($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $17, 36($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $18, 40($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    lw $ra, 44($sp) # 4-byte Folded Reload
+; SOFT-FLOAT-32-NEXT:    jr $ra
+; SOFT-FLOAT-32-NEXT:    addiu $sp, $sp, 48
+;
+; SOFT-FLOAT-64-LABEL: test_frexp_v2f64_v2i32:
+; SOFT-FLOAT-64:       # %bb.0:
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, -32
+; SOFT-FLOAT-64-NEXT:    sd $ra, 24($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    sd $17, 16($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    sd $16, 8($sp) # 8-byte Folded Spill
+; SOFT-FLOAT-64-NEXT:    move $16, $5
+; SOFT-FLOAT-64-NEXT:    move $17, $4
+; SOFT-FLOAT-64-NEXT:    dmtc1 $6, $f12
+; SOFT-FLOAT-64-NEXT:    jal frexp
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $4, 20
+; SOFT-FLOAT-64-NEXT:    sdc1 $f0, 8($17)
+; SOFT-FLOAT-64-NEXT:    dmtc1 $16, $f12
+; SOFT-FLOAT-64-NEXT:    jal frexp
+; SOFT-FLOAT-64-NEXT:    daddiu $5, $17, 16
+; SOFT-FLOAT-64-NEXT:    sdc1 $f0, 0($17)
+; SOFT-FLOAT-64-NEXT:    ld $16, 8($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    ld $17, 16($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    ld $ra, 24($sp) # 8-byte Folded Reload
+; SOFT-FLOAT-64-NEXT:    jr $ra
+; SOFT-FLOAT-64-NEXT:    daddiu $sp, $sp, 32
+  %result = call { <2 x double>, <2 x i32> } @llvm.frexp.v2f64.v2i32(<2 x double> %a)
+  ret { <2 x double>, <2 x i32> } %result
+}
+
+define { fp128, i32 } @test_frexp_fp128_i32(fp128 %a) nounwind {
+; CHECK-LABEL: test_frexp_fp128_i32:
+; CHECK: bl frexpl
+; MIPSEL-LABEL: test_frexp_fp128_i32:
+; MIPSEL:       # %bb.0:
+; MIPSEL-NEXT:    addiu $sp, $sp, -40
+; MIPSEL-NEXT:    sw $ra, 36($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    sw $16, 32($sp) # 4-byte Folded Spill
+; MIPSEL-NEXT:    move $1, $7
+; MIPSEL-NEXT:    move $16, $4
+; MIPSEL-NEXT:    addiu $2, $sp, 28
+; MIPSEL-NEXT:    sw $2, 16($sp)
+; MIPSEL-NEXT:    lw $7, 56($sp)
+; MIPSEL-NEXT:    move $4, $5
+; MIPSEL-NEXT:    move $5, $6
+; MIPSEL-NEXT:    jal frexpl
+; MIPSEL-NEXT:    move $6, $1
+; MIPSEL-NEXT:    sw $5, 12($16)
+; MIPSEL-NEXT:    sw $4, 8($16)
+; MIPSEL-NEXT:    sw $3, 4($16)
+; MIPSEL-NEXT:    sw $2, 0($16)
+; MIPSEL-NEXT:    lw $1, 28($sp)
+; MIPSEL-NEXT:    sw $1, 16($16)
+; MIPSEL-NEXT:    lw $16, 32($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    lw $ra, 36($sp) # 4-byte Folded Reload
+; MIPSEL-NEXT:    jr $ra
+; MIPSEL-NEXT:    addiu $sp, $sp, 40
+;
+; SOFT-FLOAT-32-LABEL: test_frexp_fp128_i32:
+; SOFT-FLOAT-32:       # %bb.0:
+; SOFT-FLOAT-32-...
[truncated]

@arsenm arsenm mentioned this pull request Jul 15, 2025
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arsenm commented Jul 26, 2025

ping

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I don't have a means to confirm this is correct anymore but this LGTM based on my recollection and the function prototype

Base automatically changed from users/arsenm/mips/add-sincos-intrinsic-tests to main July 26, 2025 01:48
@arsenm arsenm force-pushed the users/arsenm/mips/add-frexp-intrinsic-test branch from c6aabe2 to 28af8bc Compare July 26, 2025 01:49
@arsenm arsenm merged commit 110692b into main Jul 26, 2025
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@arsenm arsenm deleted the users/arsenm/mips/add-frexp-intrinsic-test branch July 26, 2025 02:20
mahesh-attarde pushed a commit to mahesh-attarde/llvm-project that referenced this pull request Jul 28, 2025
@arsenm @mahesh-attarde
Mips: Add frexp intrinsic test (llvm#148677)
1af169f
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