diff options
Diffstat (limited to 'test/CodeGen/AArch64/fp-dp3.ll')
| -rw-r--r-- | test/CodeGen/AArch64/fp-dp3.ll | 54 |
1 files changed, 40 insertions, 14 deletions
diff --git a/test/CodeGen/AArch64/fp-dp3.ll b/test/CodeGen/AArch64/fp-dp3.ll index 590557f..2a6790e 100644 --- a/test/CodeGen/AArch64/fp-dp3.ll +++ b/test/CodeGen/AArch64/fp-dp3.ll @@ -26,8 +26,9 @@ define float @test_fmsub(float %a, float %b, float %c) { define float @test_fnmadd(float %a, float %b, float %c) { ; CHECK-LABEL: test_fnmadd: ; CHECK-NOFAST-LABEL: test_fnmadd: + %nega = fsub float -0.0, %a %negc = fsub float -0.0, %c - %val = call float @llvm.fma.f32(float %a, float %b, float %negc) + %val = call float @llvm.fma.f32(float %nega, float %b, float %negc) ; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ; CHECK-NOFAST: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ret float %val @@ -36,9 +37,8 @@ define float @test_fnmadd(float %a, float %b, float %c) { define float @test_fnmsub(float %a, float %b, float %c) { ; CHECK-LABEL: test_fnmsub: ; CHECK-NOFAST-LABEL: test_fnmsub: - %nega = fsub float -0.0, %a %negc = fsub float -0.0, %c - %val = call float @llvm.fma.f32(float %nega, float %b, float %negc) + %val = call float @llvm.fma.f32(float %a, float %b, float %negc) ; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ; CHECK-NOFAST: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ret float %val @@ -66,8 +66,9 @@ define double @testd_fmsub(double %a, double %b, double %c) { define double @testd_fnmadd(double %a, double %b, double %c) { ; CHECK-LABEL: testd_fnmadd: ; CHECK-NOFAST-LABEL: testd_fnmadd: + %nega = fsub double -0.0, %a %negc = fsub double -0.0, %c - %val = call double @llvm.fma.f64(double %a, double %b, double %negc) + %val = call double @llvm.fma.f64(double %nega, double %b, double %negc) ; CHECK: fnmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}} ; CHECK-NOFAST: fnmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}} ret double %val @@ -76,9 +77,8 @@ define double @testd_fnmadd(double %a, double %b, double %c) { define double @testd_fnmsub(double %a, double %b, double %c) { ; CHECK-LABEL: testd_fnmsub: ; CHECK-NOFAST-LABEL: testd_fnmsub: - %nega = fsub double -0.0, %a %negc = fsub double -0.0, %c - %val = call double @llvm.fma.f64(double %nega, double %b, double %negc) + %val = call double @llvm.fma.f64(double %a, double %b, double %negc) ; CHECK: fnmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}} ; CHECK-NOFAST: fnmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}} ret double %val @@ -113,12 +113,13 @@ define float @test_fnmadd_unfused(float %a, float %b, float %c) { ; CHECK-NOFAST-LABEL: test_fnmadd_unfused: %nega = fsub float -0.0, %a %prod = fmul float %b, %c - %sum = fadd float %nega, %prod + %diff = fsub float %nega, %prod ; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ; CHECK-NOFAST-NOT: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ; CHECK-NOFAST: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} - ret float %sum +; CHECK-NOFAST: ret + ret float %diff } define float @test_fnmsub_unfused(float %a, float %b, float %c) { @@ -126,12 +127,37 @@ define float @test_fnmsub_unfused(float %a, float %b, float %c) { ; CHECK-NOFAST-LABEL: test_fnmsub_unfused: %nega = fsub float -0.0, %a %prod = fmul float %b, %c - %diff = fsub float %nega, %prod + %sum = fadd float %nega, %prod ; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} ; CHECK-NOFAST-NOT: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} -; CHECK-NOFAST-DAG: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} -; CHECK-NOFAST-DAG: fneg {{s[0-9]+}}, {{s[0-9]+}} -; CHECK-NOFAST-DAG: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} -; CHECK-NOFAST: ret - ret float %diff +; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +; CHECK-NOFAST: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} + ret float %sum } + +; Another set of tests that check for multiply single use + +define float @test_fmadd_unfused_su(float %a, float %b, float %c) { +; CHECK-LABEL: test_fmadd_unfused_su: + %prod = fmul float %b, %c + %sum = fadd float %a, %prod + %res = fadd float %sum, %prod +; CHECK-NOT: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +; CHECK: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} + ret float %res +} + +define float @test_fmsub_unfused_su(float %a, float %b, float %c) { +; CHECK-LABEL: test_fmsub_unfused_su: + %prod = fmul float %b, %c + %diff = fsub float %a, %prod + %res = fsub float %diff, %prod +; CHECK-NOT: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +; CHECK: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +; CHECK: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} +; CHECK: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} + ret float %res +} + |