diff options
Diffstat (limited to 'llvm/test/CodeGen/SystemZ/vec-min-05.ll')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/vec-min-05.ll | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/vec-min-05.ll b/llvm/test/CodeGen/SystemZ/vec-min-05.ll new file mode 100644 index 00000000000..c2d8726addf --- /dev/null +++ b/llvm/test/CodeGen/SystemZ/vec-min-05.ll @@ -0,0 +1,58 @@ +; Test vector minimum on z14. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s + +declare double @fmin(double, double) +declare double @llvm.minnum.f64(double, double) +declare <2 x double> @llvm.minnum.v2f64(<2 x double>, <2 x double>) + +; Test the fmin library function. +define double @f1(double %dummy, double %val1, double %val2) { +; CHECK-LABEL: f1: +; CHECK: wfmindb %f0, %f2, %f4, 4 +; CHECK: br %r14 + %ret = call double @fmin(double %val1, double %val2) readnone + ret double %ret +} + +; Test the f64 minnum intrinsic. +define double @f2(double %dummy, double %val1, double %val2) { +; CHECK-LABEL: f2: +; CHECK: wfmindb %f0, %f2, %f4, 4 +; CHECK: br %r14 + %ret = call double @llvm.minnum.f64(double %val1, double %val2) + ret double %ret +} + +; Test a f64 constant compare/select resulting in minnum. +define double @f3(double %dummy, double %val) { +; CHECK-LABEL: f3: +; CHECK: lzdr [[REG:%f[0-9]+]] +; CHECK: wfmindb %f0, %f2, [[REG]], 4 +; CHECK: br %r14 + %cmp = fcmp olt double %val, 0.0 + %ret = select i1 %cmp, double %val, double 0.0 + ret double %ret +} + +; Test a f64 constant compare/select resulting in minnan. +define double @f4(double %dummy, double %val) { +; CHECK-LABEL: f4: +; CHECK: lzdr [[REG:%f[0-9]+]] +; CHECK: wfmindb %f0, %f2, [[REG]], 1 +; CHECK: br %r14 + %cmp = fcmp ult double %val, 0.0 + %ret = select i1 %cmp, double %val, double 0.0 + ret double %ret +} + +; Test the v2f64 minnum intrinsic. +define <2 x double> @f5(<2 x double> %dummy, <2 x double> %val1, + <2 x double> %val2) { +; CHECK-LABEL: f5: +; CHECK: vfmindb %v24, %v26, %v28, 4 +; CHECK: br %r14 + %ret = call <2 x double> @llvm.minnum.v2f64(<2 x double> %val1, <2 x double> %val2) + ret <2 x double> %ret +} + |

