1 files changed, 79 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/fma-assoc.ll b/test/CodeGen/PowerPC/fma-assoc.ll
new file mode 100644
index 0000000..dc1316e
--- /dev/null
+++ b/test/CodeGen/PowerPC/fma-assoc.ll
@@ -0,0 +1,79 @@
+; RUN: llc < %s -march=ppc32 -fp-contract=fast -mattr=-vsx | FileCheck %s
+; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -fp-contract=fast -mattr=+vsx -mcpu=pwr7 | FileCheck -check-prefix=CHECK-VSX %s
+
+define double @test_FMADD_ASSOC1(double %A, double %B, double %C,
+                                 double %D, double %E) {
+	%F = fmul double %A, %B         ; <double> [#uses=1]
+	%G = fmul double %C, %D         ; <double> [#uses=1]
+	%H = fadd double %F, %G         ; <double> [#uses=1]
+	%I = fadd double %H, %E         ; <double> [#uses=1]
+	ret double %I
+; CHECK-LABEL: test_FMADD_ASSOC1:
+; CHECK: fmadd
+; CHECK-NEXT: fmadd
+; CHECK-NEXT: blr
+
+; CHECK-VSX-LABEL: test_FMADD_ASSOC1:
+; CHECK-VSX: xsmaddmdp
+; CHECK-VSX-NEXT: xsmaddadp
+; CHECK-VSX-NEXT: fmr
+; CHECK-VSX-NEXT: blr
+}
+
+define double @test_FMADD_ASSOC2(double %A, double %B, double %C,
+                                 double %D, double %E) {
+	%F = fmul double %A, %B         ; <double> [#uses=1]
+	%G = fmul double %C, %D         ; <double> [#uses=1]
+	%H = fadd double %F, %G         ; <double> [#uses=1]
+	%I = fadd double %E, %H         ; <double> [#uses=1]
+	ret double %I
+; CHECK-LABEL: test_FMADD_ASSOC2:
+; CHECK: fmadd
+; CHECK-NEXT: fmadd
+; CHECK-NEXT: blr
+
+; CHECK-VSX-LABEL: test_FMADD_ASSOC2:
+; CHECK-VSX: xsmaddmdp
+; CHECK-VSX-NEXT: xsmaddadp
+; CHECK-VSX-NEXT: fmr
+; CHECK-VSX-NEXT: blr
+}
+
+define double @test_FMSUB_ASSOC1(double %A, double %B, double %C,
+                                 double %D, double %E) {
+	%F = fmul double %A, %B         ; <double> [#uses=1]
+	%G = fmul double %C, %D         ; <double> [#uses=1]
+	%H = fadd double %F, %G         ; <double> [#uses=1]
+	%I = fsub double %H, %E         ; <double> [#uses=1]
+	ret double %I
+; CHECK-LABEL: test_FMSUB_ASSOC1:
+; CHECK: fmsub
+; CHECK-NEXT: fmadd
+; CHECK-NEXT: blr
+
+; CHECK-VSX-LABEL: test_FMSUB_ASSOC1:
+; CHECK-VSX: xsmsubmdp
+; CHECK-VSX-NEXT: xsmaddadp
+; CHECK-VSX-NEXT: fmr
+; CHECK-VSX-NEXT: blr
+}
+
+define double @test_FMSUB_ASSOC2(double %A, double %B, double %C,
+                                 double %D, double %E) {
+	%F = fmul double %A, %B         ; <double> [#uses=1]
+	%G = fmul double %C, %D         ; <double> [#uses=1]
+	%H = fadd double %F, %G         ; <double> [#uses=1]
+	%I = fsub double %E, %H         ; <double> [#uses=1]
+	ret double %I
+; CHECK-LABEL: test_FMSUB_ASSOC2:
+; CHECK: fnmsub
+; CHECK-NEXT: fnmsub
+; CHECK-NEXT: blr
+
+; CHECK-VSX-LABEL: test_FMSUB_ASSOC2:
+; CHECK-VSX: xsnmsubmdp
+; CHECK-VSX-NEXT: xsnmsubadp
+; CHECK-VSX-NEXT: fmr
+; CHECK-VSX-NEXT: blr
+}
+