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llvm-mirror/test/Assembler/block-labels.ll
Eli Friedman 3a9c279a90 AllocaInst should store Align instead of MaybeAlign.
Along the lines of D77454 and D79968.  Unlike loads and stores, the
default alignment is getPrefTypeAlign, to match the existing handling in
various places, including SelectionDAG and InstCombine.

Differential Revision: https://reviews.llvm.org/D80044
2020-05-16 14:53:16 -07:00

49 lines
1.2 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s --match-full-lines
; RUN: verify-uselistorder %s
define i32 @test1(i32 %X) {
; Implicit entry label. Not printed on output.
%1 = alloca i32
br label %2
; Implicit label ids still allowed.
br label %3
3: ; Explicit numeric label
br label %"2"
"2": ; string label, quoted number
br label %-3
-3: ; numeric-looking, but actually string, label
br label %-N-
-N-:
br label %$N
$N:
%4 = add i32 1, 1
ret i32 %4
}
; CHECK-LABEL: define i32 @test1(i32 %X) {
; CHECK-NEXT: %1 = alloca i32, align 4
; CHECK-NEXT: br label %2
; CHECK: 2: ; preds = %0
; CHECK-NEXT: br label %3
; CHECK: 3: ; preds = %2
; CHECK-NEXT: br label %"2"
; CHECK: "2": ; preds = %3
; CHECK-NEXT: br label %-3
; CHECK: -3: ; preds = %"2"
; CHECK-NEXT: br label %-N-
; CHECK: -N-: ; preds = %-3
; CHECK-NEXT: br label %"$N"
; CHECK: "$N": ; preds = %-N-
; CHECK-NEXT: %4 = add i32 1, 1
; CHECK-NEXT: ret i32 %4
; CHECK-NEXT: }
define void @test2(i32 %0, i32 %1) {
; entry label id still not printed on output
2:
ret void
}
; CHECK-LABEL: define void @test2(i32 %0, i32 %1) {
; CHECK-NEXT: ret void