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