xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/int-cmp-53.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; This used to incorrectly use a TMLL for an always-false test at -O0.
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc -O0 < %s -mtriple=s390x-linux-gnu | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @test(i8 *%input, i32 *%result) {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: tmll
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker  %0 = load i8, i8* %input, align 1
10*9880d681SAndroid Build Coastguard Worker  %1 = trunc i8 %0 to i1
11*9880d681SAndroid Build Coastguard Worker  %2 = zext i1 %1 to i32
12*9880d681SAndroid Build Coastguard Worker  %3 = icmp sge i32 %2, 0
13*9880d681SAndroid Build Coastguard Worker  br i1 %3, label %if.then, label %if.else
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerif.then:
16*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* %result, align 4
17*9880d681SAndroid Build Coastguard Worker  br label %return
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerif.else:
20*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* %result, align 4
21*9880d681SAndroid Build Coastguard Worker  br label %return
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerreturn:
24*9880d681SAndroid Build Coastguard Worker  ret void
25*9880d681SAndroid Build Coastguard Worker}
26*9880d681SAndroid Build Coastguard Worker
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