forked from OSchip/llvm-project
180 lines
4.3 KiB
LLVM
180 lines
4.3 KiB
LLVM
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; Test traps and conditional traps
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare void @llvm.trap()
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; Check unconditional traps
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define i32 @f0() {
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; CHECK-LABEL: f0:
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; CHECK-LABEL: .Ltmp0
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; CHECK: j .Ltmp0+2
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entry:
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tail call void @llvm.trap()
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ret i32 0
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}
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; Check conditional compare immediate and trap
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define i32 @f1(i32 signext %a) {
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; CHECK-LABEL: f1:
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; CHECK: cithe %r2, 15
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; CHECK: lhi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp sgt i32 %a, 14
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i32 0
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}
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; Check conditional compare grande immediate and trap
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define i64 @f2(i64 signext %a) {
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; CHECK-LABEL: f2:
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; CHECK: cgitle %r2, 14
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; CHECK: lghi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp slt i64 %a, 15
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i64 0
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}
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; Check conditional compare logical immediate and trap
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define i32 @f3(i32 zeroext %a) {
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; CHECK-LABEL: f3:
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; CHECK: clfithe %r2, 15
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; CHECK: lhi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp ugt i32 %a, 14
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i32 0
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}
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; Check conditional compare grande logical immediate and trap
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define i64 @f4(i64 zeroext %a) {
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; CHECK-LABEL: f4:
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; CHECK: clgitle %r2, 14
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; CHECK: lghi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp ult i64 %a, 15
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i64 0
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}
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; Check conditional compare and trap
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define i32 @f5(i32 signext %a, i32 signext %b) {
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; CHECK-LABEL: f5:
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; CHECK: crte %r2, %r3
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; CHECK: lhi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp eq i32 %a, %b
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i32 0
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}
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; Check conditional compare grande and trap
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define i64 @f6(i64 signext %a, i64 signext %b) {
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; CHECK-LABEL: f6:
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; CHECK: cgrtl %r2, %r3
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; CHECK: lghi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp slt i64 %a, %b
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i64 0
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}
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; Check conditional compare logical and trap
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define i32 @f7(i32 zeroext %a, i32 zeroext %b) {
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; CHECK-LABEL: f7:
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; CHECK: clrth %r2, %r3
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; CHECK: lhi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp ugt i32 %a, %b
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i32 0
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}
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; Check conditional compare logical grande and trap
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define i64 @f8(i64 zeroext %a, i64 zeroext %b) {
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; CHECK-LABEL: f8:
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; CHECK: clgrtl %r2, %r3
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; CHECK: lghi %r2, 0
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; CHECK: br %r14
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entry:
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%cmp = icmp ult i64 %a, %b
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret i64 0
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}
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; Check conditional traps that don't have a valid Compare and Trap
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define double @f9(double %a, double %b) {
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; CHECK-LABEL: f9:
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; CHECK: cdbr %f0, %f2
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; CHECK-LABEL: .Ltmp1
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; CHECK: je .Ltmp1+2
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; CHECK: lzdr %f0
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; CHECK: br %r14
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entry:
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%cmp = fcmp oeq double %a, %b
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @llvm.trap()
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unreachable
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if.end: ; preds = %entry
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ret double 0.000000e+00
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}
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