diff options
Diffstat (limited to 'test/CodeGen/ARM/domain-conv-vmovs.ll')
| -rw-r--r-- | test/CodeGen/ARM/domain-conv-vmovs.ll | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/test/CodeGen/ARM/domain-conv-vmovs.ll b/test/CodeGen/ARM/domain-conv-vmovs.ll index a5c41144584c..b5586cc99fc1 100644 --- a/test/CodeGen/ARM/domain-conv-vmovs.ll +++ b/test/CodeGen/ARM/domain-conv-vmovs.ll @@ -78,7 +78,7 @@ define float @test_ineligible(float, float %in) { ; use-def chains would be messed up. Primarily a compile-test (we used to ; internal fault). call void @bar() -; CHECL: bl bar +; CHECK: bl bar ; CHECK: vext.32 ; CHECK: vext.32 ret float %val @@ -98,3 +98,23 @@ define i32 @test_vmovs_no_sreg(i32 %in) { ret i32 %resi } + + +; The point of this test is: +; + Make sure s1 is live before the BL +; + Make sure s1 is clobbered by the BL +; + Convince LLVM to emit a VMOV to S0 +; + Convince LLVM to domain-convert this. + +; When all of those are satisfied, LLVM should *not* mark s1 as an implicit-use +; because it's dead. + +declare float @clobbers_s1(float, float) + +define <2 x float> @test_clobbers_recognised(<2 x float> %invec, float %val) { + %elt = call float @clobbers_s1(float %val, float %val) + + %vec = insertelement <2 x float> %invec, float %elt, i32 0 + %res = fadd <2 x float> %vec, %vec + ret <2 x float> %res +} |