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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
898 B
LLVM
45 lines
898 B
LLVM
; Test conversion of floating-point values to unsigned i64s.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; z10 doesn't have native support for unsigned fp-to-i64 conversions;
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; they were added in z196 as the Convert to Logical family of instructions.
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; Convert via signed i64s instead.
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; Test f32->i64.
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define i64 @f1(float %f) {
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; CHECK-LABEL: f1:
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; CHECK: cebr
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; CHECK: sebr
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; CHECK: cgebr
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; CHECK: xihf
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; CHECK: br %r14
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%conv = fptoui float %f to i64
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ret i64 %conv
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}
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; Test f64->i64.
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define i64 @f2(double %f) {
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; CHECK-LABEL: f2:
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; CHECK: cdbr
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; CHECK: sdbr
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; CHECK: cgdbr
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; CHECK: xihf
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; CHECK: br %r14
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%conv = fptoui double %f to i64
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ret i64 %conv
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}
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; Test f128->i64.
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define i64 @f3(fp128 *%src) {
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; CHECK-LABEL: f3:
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; CHECK: cxbr
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; CHECK: sxbr
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; CHECK: cgxbr
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; CHECK: xihf
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; CHECK: br %r14
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%f = load fp128 *%src
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%conv = fptoui fp128 %f to i64
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ret i64 %conv
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}
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