[llvm-branch-commits] [llvm] AArch64: Fix some missing llvm.frexp test coverage (PR #146691)
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Wed Jul 2 06:23:29 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-arm
Author: Matt Arsenault (arsenm)
<details>
<summary>Changes</summary>
AArch64 was testing a couple of vector cases, and not the base
scalars. Add the one case that isn't in the ARM version there, and
then copy the rest back into AArch64. Also add a windows run line.
---
Patch is 57.09 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/146691.diff
2 Files Affected:
- (modified) llvm/test/CodeGen/AArch64/llvm.frexp.ll (+1345)
- (modified) llvm/test/CodeGen/ARM/llvm.frexp.ll (+37)
``````````diff
diff --git a/llvm/test/CodeGen/AArch64/llvm.frexp.ll b/llvm/test/CodeGen/AArch64/llvm.frexp.ll
index e4cb8ed6eaf90..092fe16cbc2f3 100644
--- a/llvm/test/CodeGen/AArch64/llvm.frexp.ll
+++ b/llvm/test/CodeGen/AArch64/llvm.frexp.ll
@@ -1,5 +1,111 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=aarch64-gnu-linux < %s | FileCheck -check-prefixes=CHECK %s
+; RUN: llc -mtriple=aarch64-windows-pc-msvc < %s | FileCheck -check-prefixes=WINDOWS %s
+define { half, i32 } @test_frexp_f16_i32(half %a) {
+; CHECK-LABEL: test_frexp_f16_i32:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: fcvt s0, h0
+; CHECK-NEXT: add x0, sp, #12
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr w0, [sp, #12]
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_f16_i32:
+; WINDOWS: .seh_proc test_frexp_f16_i32
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: fcvt d0, h0
+; WINDOWS-NEXT: add x0, sp, #12
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr w0, [sp, #12]
+; WINDOWS-NEXT: fcvt h0, d0
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
+ %result = call { half, i32 } @llvm.frexp.f16.i32(half %a)
+ ret { half, i32 } %result
+}
+
+define half @test_frexp_f16_i32_only_use_fract(half %a) {
+; CHECK-LABEL: test_frexp_f16_i32_only_use_fract:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: fcvt s0, h0
+; CHECK-NEXT: add x0, sp, #12
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_f16_i32_only_use_fract:
+; WINDOWS: .seh_proc test_frexp_f16_i32_only_use_fract
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: fcvt d0, h0
+; WINDOWS-NEXT: add x0, sp, #12
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: fcvt h0, d0
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
+ %result = call { half, i32 } @llvm.frexp.f16.i32(half %a)
+ %result.0 = extractvalue { half, i32 } %result, 0
+ ret half %result.0
+}
+
+define i32 @test_frexp_f16_i32_only_use_exp(half %a) {
+; CHECK-LABEL: test_frexp_f16_i32_only_use_exp:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: fcvt s0, h0
+; CHECK-NEXT: add x0, sp, #12
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr w0, [sp, #12]
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_f16_i32_only_use_exp:
+; WINDOWS: .seh_proc test_frexp_f16_i32_only_use_exp
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: fcvt d0, h0
+; WINDOWS-NEXT: add x0, sp, #12
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr w0, [sp, #12]
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
+ %result = call { half, i32 } @llvm.frexp.f16.i32(half %a)
+ %result.0 = extractvalue { half, i32 } %result, 1
+ ret i32 %result.0
+}
define { <2 x half>, <2 x i32> } @test_frexp_v2f16_v2i32(<2 x half> %a) {
; CHECK-LABEL: test_frexp_v2f16_v2i32:
@@ -51,10 +157,240 @@ define { <2 x half>, <2 x i32> } @test_frexp_v2f16_v2i32(<2 x half> %a) {
; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT: add sp, sp, #64
; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_v2f16_v2i32:
+; WINDOWS: .seh_proc test_frexp_v2f16_v2i32
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: sub sp, sp, #64
+; WINDOWS-NEXT: .seh_stackalloc 64
+; WINDOWS-NEXT: str x19, [sp, #48] // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg x19, 48
+; WINDOWS-NEXT: str x30, [sp, #56] // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg x30, 56
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: // kill: def $d0 killed $d0 def $q0
+; WINDOWS-NEXT: mov h1, v0.h[1]
+; WINDOWS-NEXT: str q0, [sp, #16] // 16-byte Folded Spill
+; WINDOWS-NEXT: add x0, sp, #36
+; WINDOWS-NEXT: add x19, sp, #36
+; WINDOWS-NEXT: fcvt d0, h1
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: fcvt h0, d0
+; WINDOWS-NEXT: add x0, sp, #32
+; WINDOWS-NEXT: fcvt d1, h1
+; WINDOWS-NEXT: str q0, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: fmov d0, d1
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: fcvt h2, d0
+; WINDOWS-NEXT: add x0, sp, #40
+; WINDOWS-NEXT: mov h1, v1.h[2]
+; WINDOWS-NEXT: fcvt d0, h1
+; WINDOWS-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: mov v2.h[1], v1.h[0]
+; WINDOWS-NEXT: str q2, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: fcvt h2, d0
+; WINDOWS-NEXT: add x0, sp, #44
+; WINDOWS-NEXT: mov h1, v1.h[3]
+; WINDOWS-NEXT: fcvt d0, h1
+; WINDOWS-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: mov v1.h[2], v2.h[0]
+; WINDOWS-NEXT: str q1, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: fcvt h2, d0
+; WINDOWS-NEXT: ldr s1, [sp, #32]
+; WINDOWS-NEXT: ldr q0, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: ld1 { v1.s }[1], [x19]
+; WINDOWS-NEXT: // kill: def $d1 killed $d1 killed $q1
+; WINDOWS-NEXT: mov v0.h[3], v2.h[0]
+; WINDOWS-NEXT: // kill: def $d0 killed $d0 killed $q0
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp, #56] // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg x30, 56
+; WINDOWS-NEXT: ldr x19, [sp, #48] // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg x19, 48
+; WINDOWS-NEXT: add sp, sp, #64
+; WINDOWS-NEXT: .seh_stackalloc 64
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
%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 <2 x half> @test_frexp_v2f16_v2i32_only_use_fract(<2 x half> %a) {
+; CHECK-LABEL: test_frexp_v2f16_v2i32_only_use_fract:
+; CHECK: // %bb.0:
+; CHECK-NEXT: sub sp, sp, #64
+; CHECK-NEXT: str x30, [sp, #48] // 8-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 64
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
+; CHECK-NEXT: mov h1, v0.h[1]
+; CHECK-NEXT: str q0, [sp, #16] // 16-byte Folded Spill
+; CHECK-NEXT: add x0, sp, #44
+; CHECK-NEXT: fcvt s0, h1
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: add x0, sp, #40
+; CHECK-NEXT: fcvt s1, h1
+; CHECK-NEXT: str q0, [sp] // 16-byte Folded Spill
+; CHECK-NEXT: fmov s0, s1
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; CHECK-NEXT: fcvt h2, s0
+; CHECK-NEXT: add x0, sp, #56
+; CHECK-NEXT: mov h1, v1.h[2]
+; CHECK-NEXT: fcvt s0, h1
+; CHECK-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; CHECK-NEXT: mov v2.h[1], v1.h[0]
+; CHECK-NEXT: str q2, [sp] // 16-byte Folded Spill
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; CHECK-NEXT: fcvt h2, s0
+; CHECK-NEXT: add x0, sp, #60
+; CHECK-NEXT: mov h1, v1.h[3]
+; CHECK-NEXT: fcvt s0, h1
+; CHECK-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; CHECK-NEXT: mov v1.h[2], v2.h[0]
+; CHECK-NEXT: str q1, [sp] // 16-byte Folded Spill
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: fcvt h1, s0
+; CHECK-NEXT: ldr q0, [sp] // 16-byte Folded Reload
+; CHECK-NEXT: ldr x30, [sp, #48] // 8-byte Folded Reload
+; CHECK-NEXT: mov v0.h[3], v1.h[0]
+; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0
+; CHECK-NEXT: add sp, sp, #64
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_v2f16_v2i32_only_use_fract:
+; WINDOWS: .seh_proc test_frexp_v2f16_v2i32_only_use_fract
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: sub sp, sp, #64
+; WINDOWS-NEXT: .seh_stackalloc 64
+; WINDOWS-NEXT: str x30, [sp, #48] // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg x30, 48
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: // kill: def $d0 killed $d0 def $q0
+; WINDOWS-NEXT: mov h1, v0.h[1]
+; WINDOWS-NEXT: str q0, [sp, #16] // 16-byte Folded Spill
+; WINDOWS-NEXT: add x0, sp, #44
+; WINDOWS-NEXT: fcvt d0, h1
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: fcvt h0, d0
+; WINDOWS-NEXT: add x0, sp, #40
+; WINDOWS-NEXT: fcvt d1, h1
+; WINDOWS-NEXT: str q0, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: fmov d0, d1
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: fcvt h2, d0
+; WINDOWS-NEXT: add x0, sp, #56
+; WINDOWS-NEXT: mov h1, v1.h[2]
+; WINDOWS-NEXT: fcvt d0, h1
+; WINDOWS-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: mov v2.h[1], v1.h[0]
+; WINDOWS-NEXT: str q2, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr q1, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: fcvt h2, d0
+; WINDOWS-NEXT: add x0, sp, #60
+; WINDOWS-NEXT: mov h1, v1.h[3]
+; WINDOWS-NEXT: fcvt d0, h1
+; WINDOWS-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: mov v1.h[2], v2.h[0]
+; WINDOWS-NEXT: str q1, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: fcvt h1, d0
+; WINDOWS-NEXT: ldr q0, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: mov v0.h[3], v1.h[0]
+; WINDOWS-NEXT: // kill: def $d0 killed $d0 killed $q0
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp, #48] // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg x30, 48
+; WINDOWS-NEXT: add sp, sp, #64
+; WINDOWS-NEXT: .seh_stackalloc 64
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
+ %result = call { <2 x half>, <2 x i32> } @llvm.frexp.v2f16.v2i32(<2 x half> %a)
+ %result.0 = extractvalue { <2 x half>, <2 x i32> } %result, 0
+ ret <2 x half> %result.0
+}
+
+define <2 x i32> @test_frexp_v2f16_v2i32_only_use_exp(<2 x half> %a) {
+; CHECK-LABEL: test_frexp_v2f16_v2i32_only_use_exp:
+; CHECK: // %bb.0:
+; CHECK-NEXT: sub sp, sp, #48
+; CHECK-NEXT: stp x30, x19, [sp, #32] // 16-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 48
+; CHECK-NEXT: .cfi_offset w19, -8
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
+; CHECK-NEXT: str q0, [sp] // 16-byte Folded Spill
+; CHECK-NEXT: add x0, sp, #24
+; CHECK-NEXT: fcvt s0, h0
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr q0, [sp] // 16-byte Folded Reload
+; CHECK-NEXT: add x0, sp, #28
+; CHECK-NEXT: add x19, sp, #28
+; CHECK-NEXT: mov h0, v0.h[1]
+; CHECK-NEXT: fcvt s0, h0
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr s0, [sp, #24]
+; CHECK-NEXT: ld1 { v0.s }[1], [x19]
+; CHECK-NEXT: ldp x30, x19, [sp, #32] // 16-byte Folded Reload
+; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0
+; CHECK-NEXT: add sp, sp, #48
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_v2f16_v2i32_only_use_exp:
+; WINDOWS: .seh_proc test_frexp_v2f16_v2i32_only_use_exp
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: sub sp, sp, #48
+; WINDOWS-NEXT: .seh_stackalloc 48
+; WINDOWS-NEXT: str x19, [sp, #32] // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg x19, 32
+; WINDOWS-NEXT: str x30, [sp, #40] // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg x30, 40
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: // kill: def $d0 killed $d0 def $q0
+; WINDOWS-NEXT: str q0, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: add x0, sp, #24
+; WINDOWS-NEXT: fcvt d0, h0
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr q0, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: add x0, sp, #28
+; WINDOWS-NEXT: add x19, sp, #28
+; WINDOWS-NEXT: mov h0, v0.h[1]
+; WINDOWS-NEXT: fcvt d0, h0
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr s0, [sp, #24]
+; WINDOWS-NEXT: ld1 { v0.s }[1], [x19]
+; WINDOWS-NEXT: // kill: def $d0 killed $d0 killed $q0
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp, #40] // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg x30, 40
+; WINDOWS-NEXT: ldr x19, [sp, #32] // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg x19, 32
+; WINDOWS-NEXT: add sp, sp, #48
+; WINDOWS-NEXT: .seh_stackalloc 48
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
+ %result = call { <2 x half>, <2 x i32> } @llvm.frexp.v2f16.v2i32(<2 x half> %a)
+ %result.1 = extractvalue { <2 x half>, <2 x i32> } %result, 1
+ ret <2 x i32> %result.1
+}
+
define { <3 x float>, <3 x i32> } @test_frexp_v3f16_v3i32(<3 x float> %a) {
; CHECK-LABEL: test_frexp_v3f16_v3i32:
; CHECK: // %bb.0:
@@ -96,6 +432,1015 @@ define { <3 x float>, <3 x i32> } @test_frexp_v3f16_v3i32(<3 x float> %a) {
; CHECK-NEXT: mov v0.16b, v2.16b
; CHECK-NEXT: add sp, sp, #80
; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_v3f16_v3i32:
+; WINDOWS: .seh_proc test_frexp_v3f16_v3i32
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: sub sp, sp, #80
+; WINDOWS-NEXT: .seh_stackalloc 80
+; WINDOWS-NEXT: stp x19, x20, [sp, #48] // 16-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_regp x19, 48
+; WINDOWS-NEXT: stp x21, x30, [sp, #64] // 16-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_lrpair x21, 64
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: mov s1, v0.s[1]
+; WINDOWS-NEXT: str q0, [sp, #16] // 16-byte Folded Spill
+; WINDOWS-NEXT: add x0, sp, #36
+; WINDOWS-NEXT: add x19, sp, #36
+; WINDOWS-NEXT: fcvt d0, s1
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: fcvt s0, d0
+; WINDOWS-NEXT: add x0, sp, #32
+; WINDOWS-NEXT: str q0, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: ldr q0, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: fcvt d0, s0
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: fcvt s0, d0
+; WINDOWS-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: add x0, sp, #40
+; WINDOWS-NEXT: add x20, sp, #40
+; WINDOWS-NEXT: mov v0.s[1], v1.s[0]
+; WINDOWS-NEXT: str q0, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: ldr q0, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: mov s0, v0.s[2]
+; WINDOWS-NEXT: fcvt d0, s0
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: fcvt s0, d0
+; WINDOWS-NEXT: ldr q1, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: add x0, sp, #44
+; WINDOWS-NEXT: add x21, sp, #44
+; WINDOWS-NEXT: mov v1.s[2], v0.s[0]
+; WINDOWS-NEXT: ldr q0, [sp, #16] // 16-byte Folded Reload
+; WINDOWS-NEXT: mov s0, v0.s[3]
+; WINDOWS-NEXT: str q1, [sp] // 16-byte Folded Spill
+; WINDOWS-NEXT: fcvt d0, s0
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr s1, [sp, #32]
+; WINDOWS-NEXT: fcvt s2, d0
+; WINDOWS-NEXT: ldr q0, [sp] // 16-byte Folded Reload
+; WINDOWS-NEXT: ld1 { v1.s }[1], [x19]
+; WINDOWS-NEXT: mov v0.s[3], v2.s[0]
+; WINDOWS-NEXT: ld1 { v1.s }[2], [x20]
+; WINDOWS-NEXT: ld1 { v1.s }[3], [x21]
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldp x21, x30, [sp, #64] // 16-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_lrpair x21, 64
+; WINDOWS-NEXT: ldp x19, x20, [sp, #48] // 16-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_regp x19, 48
+; WINDOWS-NEXT: add sp, sp, #80
+; WINDOWS-NEXT: .seh_stackalloc 80
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
%result = call { <3 x float>, <3 x i32> } @llvm.frexp.v3float.v3i32(<3 x float> %a)
ret { <3 x float>, <3 x i32> } %result
}
+
+define { float, i32 } @test_frexp_f32_i32(float %a) {
+; CHECK-LABEL: test_frexp_f32_i32:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: add x0, sp, #12
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr w0, [sp, #12]
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_f32_i32:
+; WINDOWS: .seh_proc test_frexp_f32_i32
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: fcvt d0, s0
+; WINDOWS-NEXT: add x0, sp, #12
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr w0, [sp, #12]
+; WINDOWS-NEXT: fcvt s0, d0
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
+ %result = call { float, i32 } @llvm.frexp.f32.i32(float %a)
+ ret { float, i32 } %result
+}
+
+define { float, i32 } @test_frexp_f32_i32_tailcall(float %a) {
+; CHECK-LABEL: test_frexp_f32_i32_tailcall:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: add x0, sp, #12
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr w0, [sp, #12]
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_f32_i32_tailcall:
+; WINDOWS: .seh_proc test_frexp_f32_i32_tailcall
+; WINDOWS-NEXT: // %bb.0:
+; WINDOWS-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endprologue
+; WINDOWS-NEXT: fcvt d0, s0
+; WINDOWS-NEXT: add x0, sp, #12
+; WINDOWS-NEXT: bl frexp
+; WINDOWS-NEXT: ldr w0, [sp, #12]
+; WINDOWS-NEXT: fcvt s0, d0
+; WINDOWS-NEXT: .seh_startepilogue
+; WINDOWS-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; WINDOWS-NEXT: .seh_save_reg_x x30, 16
+; WINDOWS-NEXT: .seh_endepilogue
+; WINDOWS-NEXT: ret
+; WINDOWS-NEXT: .seh_endfunclet
+; WINDOWS-NEXT: .seh_endproc
+ %result = tail call { float, i32 } @llvm.frexp.f32.i32(float %a)
+ ret { float, i32 } %result
+}
+
+define float @test_frexp_f32_i32_only_use_fract(float %a) {
+; CHECK-LABEL: test_frexp_f32_i32_only_use_fract:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset w30, -16
+; CHECK-NEXT: add x0, sp, #12
+; CHECK-NEXT: bl frexpf
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+;
+; WINDOWS-LABEL: test_frexp_f32_i32_only_use_...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/146691
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