derek.holloway
7502bf64a4
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85 lines
1.7 KiB
LLVM
85 lines
1.7 KiB
LLVM
; Test conversions of unsigned integers to floating-point values
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; (z196 and above).
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
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; Check i32->f16.
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define half @f0(i32 %i) {
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; CHECK-LABEL: f0:
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; CHECK: celfbr %f0, 0, %r2, 0
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; CHECK-NEXT: brasl %r14, __truncsfhf2@PLT
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; CHECK: br %r14
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%conv = uitofp i32 %i to half
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ret half %conv
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}
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; Check i32->f32.
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define float @f1(i32 %i) {
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; CHECK-LABEL: f1:
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; CHECK: celfbr %f0, 0, %r2, 0
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; CHECK: br %r14
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%conv = uitofp i32 %i to float
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ret float %conv
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}
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; Check i32->f64.
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define double @f2(i32 %i) {
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; CHECK-LABEL: f2:
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; CHECK: cdlfbr %f0, 0, %r2, 0
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; CHECK: br %r14
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%conv = uitofp i32 %i to double
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ret double %conv
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}
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; Check i32->f128.
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define void @f3(i32 %i, ptr %dst) {
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; CHECK-LABEL: f3:
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; CHECK: cxlfbr %f0, 0, %r2, 0
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; CHECK-DAG: std %f0, 0(%r3)
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; CHECK-DAG: std %f2, 8(%r3)
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; CHECK: br %r14
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%conv = uitofp i32 %i to fp128
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store fp128 %conv, ptr %dst
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ret void
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}
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; Check i64->f16.
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define half @f4(i64 %i) {
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; CHECK-LABEL: f4:
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; CHECK: celgbr %f0, 0, %r2, 0
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; CHECK-NEXT: brasl %r14, __truncsfhf2@PLT
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; CHECK: br %r14
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%conv = uitofp i64 %i to half
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ret half %conv
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}
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; Check i64->f32.
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define float @f5(i64 %i) {
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; CHECK-LABEL: f5:
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; CHECK: celgbr %f0, 0, %r2, 0
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; CHECK: br %r14
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%conv = uitofp i64 %i to float
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ret float %conv
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}
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; Check i64->f64.
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define double @f6(i64 %i) {
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; CHECK-LABEL: f6:
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; CHECK: cdlgbr %f0, 0, %r2, 0
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; CHECK: br %r14
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%conv = uitofp i64 %i to double
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ret double %conv
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}
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; Check i64->f128.
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define void @f7(i64 %i, ptr %dst) {
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; CHECK-LABEL: f7:
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; CHECK: cxlgbr %f0, 0, %r2, 0
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; CHECK-DAG: std %f0, 0(%r3)
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; CHECK-DAG: std %f2, 8(%r3)
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; CHECK: br %r14
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%conv = uitofp i64 %i to fp128
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store fp128 %conv, ptr %dst
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ret void
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}
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