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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

55 lines
2.1 KiB
LLVM

; RUN: llc %s -o - -verify-machineinstrs | FileCheck %s
target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
target triple = "thumbv7-unknown-unknown"
%struct.ref_s = type { %union.v, i16, i16 }
%union.v = type { i32 }
%struct.gs_color_s = type { i16, i16, i16, i16, i8, i8 }
; In this case, the if converter was cloning the return instruction so that we had
; r2 = ...
; return [pred] r2<dead,def>
; ldr <r2, kill>
; return
; The problem here was that the dead def on the first return was making the machine verifier
; think that the load read from an undefined register. We need to remove the dead flag from
; the return, and also add an implicit use of the prior value of r2.
; CHECK: ldrh
; Function Attrs: minsize nounwind optsize ssp
define i32 @test(ptr %pref1, ptr %pref2, ptr %tmp152) #0 {
bb:
%nref = alloca %struct.ref_s, align 4
%tmp46 = call ptr @name_string_ref(ptr %pref1, ptr %nref) #2
%tmp153 = load ptr, ptr %tmp152, align 4
%tmp155 = load ptr, ptr %pref2, align 4
%tmp162 = getelementptr inbounds %struct.gs_color_s, ptr %tmp153, i32 0, i32 1
%tmp163 = load i16, ptr %tmp162, align 2
%tmp164 = getelementptr inbounds %struct.gs_color_s, ptr %tmp155, i32 0, i32 1
%tmp165 = load i16, ptr %tmp164, align 2
%tmp166 = icmp eq i16 %tmp163, %tmp165
br i1 %tmp166, label %bb167, label %bb173
bb167: ; preds = %bb
%tmp168 = getelementptr inbounds %struct.gs_color_s, ptr %tmp153, i32 0, i32 2
%tmp169 = load i16, ptr %tmp168, align 2
%tmp170 = getelementptr inbounds %struct.gs_color_s, ptr %tmp155, i32 0, i32 2
%tmp171 = load i16, ptr %tmp170, align 2
%tmp172 = icmp eq i16 %tmp169, %tmp171
br label %bb173
bb173: ; preds = %bb167, %bb
%tmp174 = phi i1 [ false, %bb ], [ %tmp172, %bb167 ]
%tmp175 = zext i1 %tmp174 to i32
ret i32 %tmp175
}
; Function Attrs: minsize optsize
declare ptr @name_string_ref(ptr, ptr) #1
attributes #0 = { minsize nounwind optsize }
attributes #1 = { minsize optsize }
attributes #2 = { minsize nounwind optsize }