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Diffstat (limited to 'test/CodeGen/SystemZ/fp-conv-12.ll')
-rw-r--r-- | test/CodeGen/SystemZ/fp-conv-12.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-conv-12.ll b/test/CodeGen/SystemZ/fp-conv-12.ll new file mode 100644 index 0000000..4445b14 --- /dev/null +++ b/test/CodeGen/SystemZ/fp-conv-12.ll @@ -0,0 +1,44 @@ +; Test conversion of floating-point values to unsigned i64s. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; z10 doesn't have native support for unsigned fp-to-i64 conversions; +; they were added in z196 as the Convert to Logical family of instructions. +; Convert via signed i64s instead. + +; Test f32->i64. +define i64 @f1(float %f) { +; CHECK: f1: +; CHECK: cebr +; CHECK: sebr +; CHECK: cgebr +; CHECK: xihf +; CHECK: br %r14 + %conv = fptoui float %f to i64 + ret i64 %conv +} + +; Test f64->i64. +define i64 @f2(double %f) { +; CHECK: f2: +; CHECK: cdbr +; CHECK: sdbr +; CHECK: cgdbr +; CHECK: xihf +; CHECK: br %r14 + %conv = fptoui double %f to i64 + ret i64 %conv +} + +; Test f128->i64. +define i64 @f3(fp128 *%src) { +; CHECK: f3: +; CHECK: cxbr +; CHECK: sxbr +; CHECK: cgxbr +; CHECK: xihf +; CHECK: br %r14 + %f = load fp128 *%src + %conv = fptoui fp128 %f to i64 + ret i64 %conv +} |