Owen Anderson cfa582e8aa
SimplifyLibCalls: Use default globals address space when building new global strings. (#118729)
Writing a test for this transitively exposed a number of places in
BuildLibCalls where
we were failing to propagate address spaces properly, which are
additionally fixed.
2024-12-06 10:51:14 +13:00

36 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that the printf library call simplifier works correctly.
;
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-G200"
@hello_world = addrspace(200) constant [13 x i8] c"hello world\0A\00"
@percent_s = addrspace(200) constant [4 x i8] c"%s\0A\00"
declare i32 @printf(ptr addrspace(200) , ...)
declare i32 @puts(ptr addrspace(200))
; Check printf("foo\n") -> puts("foo").
define void @test_simplify1() {
; CHECK-LABEL: @test_simplify1(
; CHECK-NEXT: [[PUTS:%.*]] = call i32 @puts(ptr addrspace(200) @str)
; CHECK-NEXT: ret void
;
call i32 (ptr addrspace(200) , ...) @printf(ptr addrspace(200) @hello_world)
ret void
}
; Check printf("%s\n", str) -> puts(str).
define void @test_simplify2() {
; CHECK-LABEL: @test_simplify2(
; CHECK-NEXT: [[PUTS:%.*]] = call i32 @puts(ptr addrspace(200) @hello_world)
; CHECK-NEXT: ret void
;
call i32 (ptr addrspace(200) , ...) @printf(ptr addrspace(200) @percent_s, ptr addrspace(200) @hello_world)
ret void
}