1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s
define double @foo(double %0) #0 {
; CHECK-LABEL: foo:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $24, %rsp
; CHECK-NEXT: movsd %xmm0, (%rsp) # 8-byte Spill
; CHECK-NEXT: movl $1024, %edi # imm = 0x400
; CHECK-NEXT: callq fesetround@PLT
; CHECK-NEXT: movsd {{.*#+}} xmm1 = [1.0E+0,0.0E+0]
; CHECK-NEXT: divsd (%rsp), %xmm1 # 8-byte Folded Reload
; CHECK-NEXT: movsd %xmm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT: movl $1024, %edi # imm = 0x400
; CHECK-NEXT: callq fesetround@PLT
; CHECK-NEXT: movsd {{.*#+}} xmm0 = [1.0E+0,0.0E+0]
; CHECK-NEXT: divsd (%rsp), %xmm0 # 8-byte Folded Reload
; CHECK-NEXT: movsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT: movl $1024, %edi # imm = 0x400
; CHECK-NEXT: callq fesetround@PLT
; CHECK-NEXT: movsd {{.*#+}} xmm2 = [1.0E+0,0.0E+0]
; CHECK-NEXT: divsd (%rsp), %xmm2 # 8-byte Folded Reload
; CHECK-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 8-byte Reload
; CHECK-NEXT: # xmm0 = mem[0],zero
; CHECK-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Reload
; CHECK-NEXT: # xmm1 = mem[0],zero
; CHECK-NEXT: callq fma@PLT
; CHECK-NEXT: addq $24, %rsp
; CHECK-NEXT: retq
%2 = call i32 @fesetround(i32 noundef 1024)
%3 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
%4 = call i32 @fesetround(i32 noundef 1024)
%5 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
%6 = call i32 @fesetround(i32 noundef 1024)
%7 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
%8 = call double @llvm.experimental.constrained.fma.f64(double %3, double %5, double %7, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
ret double %8
}
declare i32 @fesetround(i32) #0
declare double @llvm.experimental.constrained.fdiv.f64(double, double, metadata, metadata) #0
declare double @llvm.experimental.constrained.fma.f64(double, double, double, metadata, metadata) #0
attributes #0 = { nounwind strictfp }
|
