xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/fold-xmm-zero.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-apple-macosx10.6.7 -mattr=+sse2 -no-integrated-as | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Simple test to make sure folding for special constants (like float zero)
4*9880d681SAndroid Build Coastguard Worker; isn't completely broken.
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; CHECK: divss	LCPI0
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker%0 = type { float, float, float, float, float, float, float, float }
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine void @f() nounwind ssp {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  %0 = tail call %0 asm sideeffect "foo", "={xmm0},={xmm1},={xmm2},={xmm3},={xmm4},={xmm5},={xmm6},={xmm7},0,1,2,3,4,5,6,7,~{dirflag},~{fpsr},~{flags}"(float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00, float 5.000000e+00, float 6.000000e+00, float 7.000000e+00, float 8.000000e+00) nounwind
13*9880d681SAndroid Build Coastguard Worker  %asmresult = extractvalue %0 %0, 0
14*9880d681SAndroid Build Coastguard Worker  %asmresult8 = extractvalue %0 %0, 1
15*9880d681SAndroid Build Coastguard Worker  %asmresult9 = extractvalue %0 %0, 2
16*9880d681SAndroid Build Coastguard Worker  %asmresult10 = extractvalue %0 %0, 3
17*9880d681SAndroid Build Coastguard Worker  %asmresult11 = extractvalue %0 %0, 4
18*9880d681SAndroid Build Coastguard Worker  %asmresult12 = extractvalue %0 %0, 5
19*9880d681SAndroid Build Coastguard Worker  %asmresult13 = extractvalue %0 %0, 6
20*9880d681SAndroid Build Coastguard Worker  %asmresult14 = extractvalue %0 %0, 7
21*9880d681SAndroid Build Coastguard Worker  %div = fdiv float %asmresult, 0.000000e+00
22*9880d681SAndroid Build Coastguard Worker  %1 = tail call %0 asm sideeffect "bar", "={xmm0},={xmm1},={xmm2},={xmm3},={xmm4},={xmm5},={xmm6},={xmm7},0,1,2,3,4,5,6,7,~{dirflag},~{fpsr},~{flags}"(float %div, float %asmresult8, float %asmresult9, float %asmresult10, float %asmresult11, float %asmresult12, float %asmresult13, float %asmresult14) nounwind
23*9880d681SAndroid Build Coastguard Worker  %asmresult24 = extractvalue %0 %1, 0
24*9880d681SAndroid Build Coastguard Worker  %asmresult25 = extractvalue %0 %1, 1
25*9880d681SAndroid Build Coastguard Worker  %asmresult26 = extractvalue %0 %1, 2
26*9880d681SAndroid Build Coastguard Worker  %asmresult27 = extractvalue %0 %1, 3
27*9880d681SAndroid Build Coastguard Worker  %asmresult28 = extractvalue %0 %1, 4
28*9880d681SAndroid Build Coastguard Worker  %asmresult29 = extractvalue %0 %1, 5
29*9880d681SAndroid Build Coastguard Worker  %asmresult30 = extractvalue %0 %1, 6
30*9880d681SAndroid Build Coastguard Worker  %asmresult31 = extractvalue %0 %1, 7
31*9880d681SAndroid Build Coastguard Worker  %div33 = fdiv float %asmresult24, 0.000000e+00
32*9880d681SAndroid Build Coastguard Worker  %2 = tail call %0 asm sideeffect "baz", "={xmm0},={xmm1},={xmm2},={xmm3},={xmm4},={xmm5},={xmm6},={xmm7},0,1,2,3,4,5,6,7,~{dirflag},~{fpsr},~{flags}"(float %div33, float %asmresult25, float %asmresult26, float %asmresult27, float %asmresult28, float %asmresult29, float %asmresult30, float %asmresult31) nounwind
33*9880d681SAndroid Build Coastguard Worker  ret void
34*9880d681SAndroid Build Coastguard Worker}
35