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.
68 lines
1.3 KiB
LLVM
68 lines
1.3 KiB
LLVM
; Test floating-point control register intrinsics.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare void @llvm.s390.sfpc(i32)
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declare i32 @llvm.s390.efpc()
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; SFPC.
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define void @test_sfpc(i32 %fpc) {
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; CHECK-LABEL: test_sfpc:
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; CHECK: sfpc %r2
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; CHECK: br %r14
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call void @llvm.s390.sfpc(i32 %fpc)
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ret void
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}
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; EFPC.
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define i32 @test_efpc() {
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; CHECK-LABEL: test_efpc:
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; CHECK: efpc %r2
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; CHECK: br %r14
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%res = call i32 @llvm.s390.efpc()
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ret i32 %res
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}
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; LFPC.
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define void @test_lfpc1(ptr %ptr) {
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; CHECK-LABEL: test_lfpc1:
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; CHECK: lfpc 0(%r2)
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; CHECK: br %r14
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%fpc = load i32, ptr %ptr
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call void @llvm.s390.sfpc(i32 %fpc)
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ret void
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}
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; LFPC with offset.
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define void @test_lfpc2(ptr %ptr) {
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; CHECK-LABEL: test_lfpc2:
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; CHECK: lfpc 4092(%r2)
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; CHECK: br %r14
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%ptr1 = getelementptr i32, ptr %ptr, i32 1023
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%fpc = load i32, ptr %ptr1
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call void @llvm.s390.sfpc(i32 %fpc)
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ret void
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}
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; STFPC.
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define void @test_stfpc1(ptr %ptr) {
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; CHECK-LABEL: test_stfpc1:
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; CHECK: stfpc 0(%r2)
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; CHECK: br %r14
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%fpc = call i32 @llvm.s390.efpc()
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store i32 %fpc, ptr %ptr
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ret void
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}
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; STFPC with offset.
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define void @test_stfpc2(ptr %ptr) {
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; CHECK-LABEL: test_stfpc2:
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; CHECK: stfpc 4092(%r2)
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; CHECK: br %r14
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%fpc = call i32 @llvm.s390.efpc()
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%ptr1 = getelementptr i32, ptr %ptr, i32 1023
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store i32 %fpc, ptr %ptr1
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ret void
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}
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