58 lines
1.9 KiB
LLVM
58 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=s390x-linux-gnu -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=s390x-linux-gnu -verify-machineinstrs -O3 < %s | FileCheck %s
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@changed = dso_local global i32 0, align 4
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define dso_local signext i32 @test_flt_rounds() nounwind {
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; CHECK-LABEL: test_flt_rounds:
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; CHECK: # %bb.0:
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; CHECK-NEXT: efpc %r0
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; CHECK-NEXT: nilf %r0, 3
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; CHECK-NEXT: rxsbg %r0, %r0, 33, 63, 63
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; CHECK-NEXT: xilf %r0, 1
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; CHECK-NEXT: llgfr %r2, %r0
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; CHECK-NEXT: br %r14
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%1 = call i32 @llvm.get.rounding()
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ret i32 %1
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}
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declare i32 @llvm.get.rounding() nounwind
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define dso_local signext i32 @test_order(i32 noundef signext %0) nounwind {
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; CHECK-LABEL: test_order:
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; CHECK: # %bb.0:
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; CHECK-NEXT: stmg %r13, %r15, 104(%r15)
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; CHECK-NEXT: aghi %r15, -160
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; CHECK-NEXT: efpc %r13
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; CHECK-NEXT: nilf %r13, 3
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; CHECK-NEXT: rxsbg %r13, %r13, 33, 63, 63
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; CHECK-NEXT: xilf %r13, 1
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; CHECK-NEXT: brasl %r14, fesetround@PLT
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; CHECK-NEXT: efpc %r0
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; CHECK-NEXT: nilf %r0, 3
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; CHECK-NEXT: rxsbg %r0, %r0, 33, 63, 63
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; CHECK-NEXT: xilf %r0, 1
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; CHECK-NEXT: crje %r13, %r0, .LBB1_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: lhi %r0, 1
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; CHECK-NEXT: strl %r0, changed
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; CHECK-NEXT: .LBB1_2:
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; CHECK-NEXT: llgfr %r2, %r13
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; CHECK-NEXT: lmg %r13, %r15, 264(%r15)
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; CHECK-NEXT: br %r14
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%2 = call i32 @llvm.get.rounding()
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%3 = call signext i32 @fesetround(i32 noundef signext %0)
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%4 = call i32 @llvm.get.rounding()
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%5 = icmp ne i32 %2, %4
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br i1 %5, label %6, label %7
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6: ; preds = %1
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store i32 1, ptr @changed, align 4
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br label %7
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7: ; preds = %6, %1
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ret i32 %2
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}
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declare dso_local signext i32 @fesetround(i32 noundef signext) nounwind
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