| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=instcombine -S < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define i8 addrspace(4)* @f_0() { |
| ; CHECK-LABEL: @f_0( |
| ; CHECK-NEXT: ret i8 addrspace(4)* getelementptr (i8, i8 addrspace(4)* null, i64 50) |
| ; |
| %result = getelementptr i8, i8 addrspace(4)* null, i64 50 |
| ret i8 addrspace(4)* %result |
| } |
| |
| define i8 addrspace(3)* @f_1() { |
| ; inttoptr is fine here since addrspace(3) is integral. |
| ; CHECK-LABEL: @f_1( |
| ; CHECK-NEXT: ret i8 addrspace(3)* inttoptr (i64 50 to i8 addrspace(3)*) |
| ; |
| %result = getelementptr i8, i8 addrspace(3)* null, i64 50 |
| ret i8 addrspace(3)* %result |
| } |
| |
| define void @f_2(i8 addrspace(4)** %ptr0, i8 addrspace(4)** %ptr1) { |
| ; It is not okay to convert the load/store pair to load and store |
| ; integers, since pointers in address space 4 are non-integral. |
| ; CHECK-LABEL: @f_2( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[VAL:%.*]] = load i8 addrspace(4)*, i8 addrspace(4)** [[PTR0:%.*]], align 8 |
| ; CHECK-NEXT: store i8 addrspace(4)* [[VAL]], i8 addrspace(4)** [[PTR1:%.*]], align 8 |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0 |
| store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1 |
| ret void |
| } |
| |
| define void @f_3(i8 addrspace(3)** %ptr0, i8 addrspace(3)** %ptr1) { |
| ; It *is* okay to convert the load/store pair to load and store |
| ; integers, since pointers in address space 3 are integral. |
| ; CHECK-LABEL: @f_3( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[VAL:%.*]] = load i8 addrspace(3)*, i8 addrspace(3)** [[PTR0:%.*]], align 8 |
| ; CHECK-NEXT: store i8 addrspace(3)* [[VAL]], i8 addrspace(3)** [[PTR1:%.*]], align 8 |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %val = load i8 addrspace(3)*, i8 addrspace(3)** %ptr0 |
| store i8 addrspace(3)* %val, i8 addrspace(3)** %ptr1 |
| ret void |
| } |
| |
| define i64 @g(i8 addrspace(4)** %gp) { |
| ; CHECK-LABEL: @g( |
| ; CHECK-NEXT: [[DOTPRE:%.*]] = load i8 addrspace(4)*, i8 addrspace(4)** [[GP:%.*]], align 8 |
| ; CHECK-NEXT: [[V74:%.*]] = call i8 addrspace(4)* @alloc() |
| ; CHECK-NEXT: [[V77:%.*]] = getelementptr i8, i8 addrspace(4)* [[V74]], i64 -8 |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i8 addrspace(4)* addrspace(4)* |
| ; CHECK-NEXT: [[TMP2:%.*]] = addrspacecast i8 addrspace(4)* addrspace(4)* [[TMP1]] to i8 addrspace(4)** |
| ; CHECK-NEXT: store i8 addrspace(4)* [[DOTPRE]], i8 addrspace(4)** [[TMP2]], align 8 |
| ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i64 addrspace(4)* |
| ; CHECK-NEXT: [[V80:%.*]] = addrspacecast i64 addrspace(4)* [[TMP3]] to i64* |
| ; CHECK-NEXT: [[V81:%.*]] = load i64, i64* [[V80]], align 8 |
| ; CHECK-NEXT: ret i64 [[V81]] |
| ; |
| %.pre = load i8 addrspace(4)*, i8 addrspace(4)** %gp, align 8 |
| %v74 = call i8 addrspace(4)* @alloc() |
| %v75 = addrspacecast i8 addrspace(4)* %v74 to i8* |
| %v76 = bitcast i8* %v75 to i8 addrspace(4)** |
| %v77 = getelementptr i8 addrspace(4)*, i8 addrspace(4)** %v76, i64 -1 |
| store i8 addrspace(4)* %.pre, i8 addrspace(4)** %v77, align 8 |
| %v80 = bitcast i8 addrspace(4)** %v77 to i64* |
| %v81 = load i64, i64* %v80, align 8 |
| ret i64 %v81 |
| } |
| |
| define i64 @g2(i8* addrspace(4)* %gp) { |
| ; CHECK-LABEL: @g2( |
| ; CHECK-NEXT: [[DOTPRE:%.*]] = load i8*, i8* addrspace(4)* [[GP:%.*]], align 8 |
| ; CHECK-NEXT: [[V74:%.*]] = call i8 addrspace(4)* @alloc() |
| ; CHECK-NEXT: [[V77:%.*]] = getelementptr i8, i8 addrspace(4)* [[V74]], i64 -8 |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i8* addrspace(4)* |
| ; CHECK-NEXT: store i8* [[DOTPRE]], i8* addrspace(4)* [[TMP1]], align 8 |
| ; CHECK-NEXT: [[V81_CAST:%.*]] = ptrtoint i8* [[DOTPRE]] to i64 |
| ; CHECK-NEXT: ret i64 [[V81_CAST]] |
| ; |
| %.pre = load i8*, i8* addrspace(4)* %gp, align 8 |
| %v74 = call i8 addrspace(4)* @alloc() |
| %v76 = bitcast i8 addrspace(4)* %v74 to i8* addrspace(4)* |
| %v77 = getelementptr i8*, i8* addrspace(4)* %v76, i64 -1 |
| store i8* %.pre, i8* addrspace(4)* %v77, align 8 |
| %v80 = bitcast i8* addrspace(4)* %v77 to i64 addrspace(4)* |
| %v81 = load i64, i64 addrspace(4)* %v80, align 8 |
| ret i64 %v81 |
| } |
| |
| declare i8 addrspace(4)* @alloc() |
| |
| define i64 @f_4(i8 addrspace(4)* %v0) { |
| ; CHECK-LABEL: @f_4( |
| ; CHECK-NEXT: [[V6:%.*]] = call i64 bitcast (i64 (i64)* @f_5 to i64 (i8 addrspace(4)*)*)(i8 addrspace(4)* [[V0:%.*]]) |
| ; CHECK-NEXT: ret i64 [[V6]] |
| ; |
| %v5 = bitcast i64 (i64)* @f_5 to i64 (i8 addrspace(4)*)* |
| %v6 = call i64 %v5(i8 addrspace(4)* %v0) |
| ret i64 %v6 |
| } |
| |
| declare i64 @f_5(i64) |