a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
51 lines
1.1 KiB
LLVM
51 lines
1.1 KiB
LLVM
; Test f128 floating-point truncations/extensions on z14.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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; Test f128->f64.
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define double @f1(ptr %ptr) {
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; CHECK-LABEL: f1:
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; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
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; CHECK: wflrx %f0, [[REG]], 0, 0
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; CHECK: br %r14
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%val = load fp128, ptr %ptr
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%res = fptrunc fp128 %val to double
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ret double %res
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}
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; Test f128->f32.
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define float @f2(ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
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; CHECK: wflrx %f0, [[REG]], 0, 3
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; CHECK: ledbra %f0, 0, %f0, 0
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; CHECK: br %r14
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%val = load fp128, ptr %ptr
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%res = fptrunc fp128 %val to float
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ret float %res
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}
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; Test f64->f128.
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define void @f3(ptr %dst, double %val) {
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; CHECK-LABEL: f3:
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; CHECK: wflld [[RES:%v[0-9]+]], %f0
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; CHECK: vst [[RES]], 0(%r2)
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; CHECK: br %r14
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%res = fpext double %val to fp128
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store fp128 %res, ptr %dst
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ret void
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}
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; Test f32->f128.
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define void @f4(ptr %dst, float %val) {
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; CHECK-LABEL: f4:
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; CHECK: ldebr %f0, %f0
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; CHECK: wflld [[RES:%v[0-9]+]], %f0
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; CHECK: vst [[RES]], 0(%r2)
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; CHECK: br %r14
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%res = fpext float %val to fp128
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store fp128 %res, ptr %dst
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ret void
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}
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