-; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -fp-contract=fast | FileCheck %s
-; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s -check-prefix=CHECK-NOFAST
+; RUN: llc -verify-machineinstrs -o - %s -mtriple=aarch64-none-linux-gnu -fp-contract=fast | FileCheck %s
+; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s -check-prefix=CHECK-NOFAST
declare float @llvm.fma.f32(float, float, float)
declare double @llvm.fma.f64(double, double, double)
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
+}
+