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Diffstat (limited to 'llvm/test/CodeGen/SystemZ/multiselect.ll')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/multiselect.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/multiselect.ll b/llvm/test/CodeGen/SystemZ/multiselect.ll new file mode 100644 index 00000000000..d2078ff291b --- /dev/null +++ b/llvm/test/CodeGen/SystemZ/multiselect.ll @@ -0,0 +1,21 @@ +; Test that multiple select statements using the same condition are expanded +; into a single conditional branch. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +define void @test(i32 signext %positive, double %base, double %offset, double* %rmin, double* %rmax) { +entry: +; CHECK: cijlh %r2, 0, +; CHECK-NOT: cij +; CHECK-NOT: je +; CHECK-NOT: jlh + + %tobool = icmp eq i32 %positive, 0 + %add = fadd double %base, %offset + %min = select i1 %tobool, double %add, double %base + %max = select i1 %tobool, double %base, double %add + store double %min, double* %rmin, align 8 + store double %max, double* %rmax, align 8 + ret void +} + |
