blob: fd55e9b69e2609858176ec9c9dd5e20e8ddd2d5f [file] [log] [blame]
; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
; TODO(#60133): Requires updates following opaque pointer migration.
; XFAIL: *
%struct.ST = type { i32, i32, i32 }
; CHECK-SPIRV: OpName %[[#struct:]] "struct.ST"
; CHECK-SPIRV: %[[#int:]] = OpTypeInt 32 0
; CHECK-SPIRV: %[[#intP:]] = OpTypePointer Function %[[#int]]
; CHECK-SPIRV: %[[#struct]] = OpTypeStruct %[[#int]] %[[#int]] %[[#int]]
; CHECK-SPIRV: %[[#structP:]] = OpTypePointer Function %[[#struct]]
; CHECK-SPIRV: %[[#structPP:]] = OpTypePointer Function %[[#structP]]
; CHECK-SPIRV: %[[#zero:]] = OpConstant %[[#int]] 0
; CHECK-SPIRV: %[[#one:]] = OpConstant %[[#int]] 1
; CHECK-SPIRV: %[[#two:]] = OpConstant %[[#int]] 2
define dso_local spir_func i32 @cmp_func(i8* %p1, i8* %p2) {
entry:
%retval = alloca i32, align 4
%p1.addr = alloca i8*, align 8
%p2.addr = alloca i8*, align 8
; CHECK-SPIRV: %[[#s1:]] = OpVariable %[[#structPP]]
; CHECK-SPIRV: %[[#s2:]] = OpVariable %[[#structPP]]
%s1 = alloca %struct.ST*, align 8
%s2 = alloca %struct.ST*, align 8
store i8* %p1, i8** %p1.addr, align 8
store i8* %p2, i8** %p2.addr, align 8
%0 = load i8*, i8** %p1.addr, align 8
; CHECK-SPIRV: %[[#t1:]] = OpBitcast %[[#structP]]
; CHECK-SPIRV: OpStore %[[#s1]] %[[#t1]]
%1 = bitcast i8* %0 to %struct.ST*
store %struct.ST* %1, %struct.ST** %s1, align 8
%2 = load i8*, i8** %p2.addr, align 8
; CHECK-SPIRV: %[[#t2:]] = OpBitcast %[[#structP]]
; CHECK-SPIRV: OpStore %[[#s2]] %[[#t2]]
%3 = bitcast i8* %2 to %struct.ST*
store %struct.ST* %3, %struct.ST** %s2, align 8
; CHECK-SPIRV: %[[#t3:]] = OpLoad %[[#structP]] %[[#s1]]
; CHECK-SPIRV: %[[#a1:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t3]] %[[#zero]] %[[#zero]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#a1]]
%4 = load %struct.ST*, %struct.ST** %s1, align 8
%a = getelementptr inbounds %struct.ST, %struct.ST* %4, i32 0, i32 0
%5 = load i32, i32* %a, align 4
; CHECK-SPIRV: %[[#t4:]] = OpLoad %[[#structP]] %[[#s2]]
; CHECK-SPIRV: %[[#a2:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t4]] %[[#zero]] %[[#zero]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#a2]]
%6 = load %struct.ST*, %struct.ST** %s2, align 8
%a1 = getelementptr inbounds %struct.ST, %struct.ST* %6, i32 0, i32 0
%7 = load i32, i32* %a1, align 4
%cmp = icmp ne i32 %5, %7
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
; CHECK-SPIRV: %[[#t5:]] = OpLoad %[[#structP]] %[[#s1]]
; CHECK-SPIRV: %[[#a_1:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t5]] %[[#zero]] %[[#zero]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#a_1]]
%8 = load %struct.ST*, %struct.ST** %s1, align 8
%a2 = getelementptr inbounds %struct.ST, %struct.ST* %8, i32 0, i32 0
%9 = load i32, i32* %a2, align 4
; CHECK-SPIRV: %[[#t6:]] = OpLoad %[[#structP]] %[[#s2]]
; CHECK-SPIRV: %[[#a_2:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t6]] %[[#zero]] %[[#zero]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#a_2]]
%10 = load %struct.ST*, %struct.ST** %s2, align 8
%a3 = getelementptr inbounds %struct.ST, %struct.ST* %10, i32 0, i32 0
%11 = load i32, i32* %a3, align 4
%sub = sub nsw i32 %9, %11
store i32 %sub, i32* %retval, align 4
br label %return
if.end: ; preds = %entry
; CHECK-SPIRV: %[[#t7:]] = OpLoad %[[#structP]] %[[#s1]]
; CHECK-SPIRV: %[[#b1:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t7]] %[[#zero]] %[[#one]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#b1]]
%12 = load %struct.ST*, %struct.ST** %s1, align 8
%b = getelementptr inbounds %struct.ST, %struct.ST* %12, i32 0, i32 1
%13 = load i32, i32* %b, align 4
; CHECK-SPIRV: %[[#t8:]] = OpLoad %[[#structP]] %[[#s2]]
; CHECK-SPIRV: %[[#b2:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t8]] %[[#zero]] %[[#one]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#b2]]
%14 = load %struct.ST*, %struct.ST** %s2, align 8
%b4 = getelementptr inbounds %struct.ST, %struct.ST* %14, i32 0, i32 1
%15 = load i32, i32* %b4, align 4
%cmp5 = icmp ne i32 %13, %15
br i1 %cmp5, label %if.then6, label %if.end10
if.then6: ; preds = %if.end
; CHECK-SPIRV: %[[#t9:]] = OpLoad %[[#structP]] %[[#s1]]
; CHECK-SPIRV: %[[#b_1:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t9]] %[[#zero]] %[[#one]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#b_1]]
%16 = load %struct.ST*, %struct.ST** %s1, align 8
%b7 = getelementptr inbounds %struct.ST, %struct.ST* %16, i32 0, i32 1
%17 = load i32, i32* %b7, align 4
; CHECK-SPIRV: %[[#t10:]] = OpLoad %[[#structP]] %[[#s2]]
; CHECK-SPIRV: %[[#b_2:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t10]] %[[#zero]] %[[#one]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#b_2]]
%18 = load %struct.ST*, %struct.ST** %s2, align 8
%b8 = getelementptr inbounds %struct.ST, %struct.ST* %18, i32 0, i32 1
%19 = load i32, i32* %b8, align 4
%sub9 = sub nsw i32 %17, %19
store i32 %sub9, i32* %retval, align 4
br label %return
if.end10: ; preds = %if.end
; CHECK-SPIRV: %[[#t11:]] = OpLoad %[[#structP]] %[[#s1]]
; CHECK-SPIRV: %[[#c1:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t11]] %[[#zero]] %[[#two]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#c1]]
%20 = load %struct.ST*, %struct.ST** %s1, align 8
%c = getelementptr inbounds %struct.ST, %struct.ST* %20, i32 0, i32 2
%21 = load i32, i32* %c, align 4
; CHECK-SPIRV: %[[#t12:]] = OpLoad %[[#structP]] %[[#s2]]
; CHECK-SPIRV: %[[#c2:]] = OpInBoundsPtrAccessChain %[[#intP]] %[[#t12]] %[[#zero]] %[[#two]]
; CHECK-SPIRV: %[[#]] = OpLoad %[[#int]] %[[#c2]]
%22 = load %struct.ST*, %struct.ST** %s2, align 8
%c11 = getelementptr inbounds %struct.ST, %struct.ST* %22, i32 0, i32 2
%23 = load i32, i32* %c11, align 4
%sub12 = sub nsw i32 %21, %23
store i32 %sub12, i32* %retval, align 4
br label %return
return: ; preds = %if.end10, %if.then6, %if.then
%24 = load i32, i32* %retval, align 4
ret i32 %24
}